[ClusterLabs] Timeout - SBD's vs Watchdog's

Andrei Borzenkov arvidjaar at gmail.com
Tue Sep 15 23:32:09 EDT 2015

15.09.2015 23:32, Jorge Fábregas пишет:
> The problem is that I don't want to set SBD's watchdog timeout to 1
> minute (so that it matches the "hardware" watchdog) because I'll have to
> change msgwait to 2 minutes at least (it's too much time) so I plan to
> leave the defaults (5  & 10 seconds).  My question is:  is there a
> problem if I leave the defaults (5 & 10 seconds for SBD) and the
> "hardware" watchdog timeout set at one minute?

If I understand SBD correctly, it will assume node was fenced after 10 
seconds while in reality this won't happen until 2 minutes have elapsed. 
So you have 2 minutes undefined state that somehow defeats the purpose 
of fencing.

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